Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

MS. Tonisia Williams, LCSW

Individual provider Clinical Social Worker · NPI 1740592799

MS. Tonisia Williams, LCSW is a Clinical Social Worker in Staten Island, New York. Licensed in New York. Registered with an NPI since 2010.

Licensed in
NY
In the registry since
2010
What do these letters mean?
LCSW — Licensed Clinical Social Worker
A social worker licensed to diagnose and treat mental health conditions independently.

See every abbreviation used in this directory →

Practice location Address checks out

126 Cassidy Pl Apt Q2
Staten Island, NY 10301-1122
Phone: (718) 818-9866
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence 070685 (NY)

Record details

NPI number1740592799
Entity typeIndividual (Type 1)
GenderFemale
Credentials LCSW
Sole proprietorNo
NPI enumeratedJuly 7, 2010
Last updated in NPPESJuly 7, 2010

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